Home / 5,477.98-7,556.77-4,149.38

Finding the Fourth Proportional to 5,477.98, 7,556.77 and 4,149.38

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Solution

The fourth proportional to 5,477.98, 7,556.77 and 4,149.38 is: 5,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.98 : 7,556.77 = 4,149.38 : x
  2. Step 2: Convert to fraction form
    5,477.98/7,556.77 = 4,149.38/x
  3. Step 3: Cross multiply
    5,477.98x = 7,556.77 × 4,149.38
  4. Step 4: Simplify right side
    5,477.98x = 31,355,880.20
  5. Step 5: Solve for x
    x = 31,355,880.20/5,477.98
  6. Step 6: Final answer
    x = 5,723.99

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.